Question

sum of three consecutive multiple of 7 is zero. find the interger​

Answer 1

Answer:

-7,0and7

Step-by-step explanation:

let the numbers be x , x+7, x+14

x + x+7 + x+14 = 0

3x = -21

x = -7

the numbers are -7, 0 and 7

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Answer 2

Answer:

-7, 0, 7

Step-by-step explanation:

7[x] + 7[x+1] + 7[x+2] = 0

7[x+x+1+x+2] = 0

7[3x+3] = 0

21x + 21 = 0

21x = -21

x = -21/21

x = -1

Therefore, 7[x] = -7

7[x+1] = 0

7[x+2] = 7

So, -7 + 0 + 7 =0

Therefore the answer is -7, 0, 7